ZIP Code 65603 — Arcola, MO
65603 is a standard (street delivery) ZIP code serving Arcola, Missouri, in Dade County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 65603 at a glance
| ZIP code | 65603 |
|---|---|
| Primary city | Arcola |
| State | Missouri (MO) |
| County | Dade FIPS 29057 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 158 |
| Coordinates | 37.545740, -93.860720 |
How ZIP+4 works in 65603
The four digits after the hyphen encode a delivery segment inside 65603. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 65603 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 65603.
| ZIP | City | Distance |
|---|---|---|
| 65661 | Greenfield, MO | 6.1 mi |
| 65635 | Dadeville, MO | 7.8 mi |
| 64756 | Jerico Springs, MO | 9.8 mi |
| 65682 | Lockwood, MO | 10.8 mi |
| 65785 | Stockton, MO | 11 mi |
| 65649 | Fair Play, MO | 14.2 mi |
| 65601 | Aldrich, MO | 15 mi |
| 65752 | South Greenfield, MO | 15.1 mi |
| 65646 | Everton, MO | 16.9 mi |
| 64748 | Golden City, MO | 18.1 mi |
| 65640 | Dunnegan, MO | 19 mi |
| 65770 | Walnut Grove, MO | 19.2 mi |
Questions about 65603
What is the ZIP+4 code for 65603?
65603 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 65603, you need to look up a specific street address to get them.
What city is 65603?
65603 is assigned to Arcola, Missouri, in Dade County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.